The mountain range that separates Europe from Asia is
The continent of North America is linked to South America by
The major constituent of atmosphere by per cent is
The domain of the earth consisting of solid rocks is
Which is the largest continent?
What are the four major domains of the earth?
Answer: The four major domains of the earth are; Lithosphere, Hydrosphere, Atmosphere and Biosphere.
Name the major continents of the earth.
Answer: Asia, Africa, North America, South America, Australia and Antarctica
Name the two continents that lie entirely in the Southern Hemisphere.
Answer: Australia and Antarctica
Name the different layers of atmosphere.
Answer: Troposphere, Stratosphere, Mesosphere, Thermosphere and Exosphere
Why is the earth called the ‘blue planet’?
Answer: More than 71% of the earth’s surface is covered with water. Due to this, the earth appears blue when seen from the space. Hence, the earth is called the ‘blue planet’.
Why is the Northern Hemisphere called the Land Hemisphere?
Answer: A major portion of the landmass of the earth is present in the northern hemisphere. Hence, the Northern Hemisphere is called the Land Hemisphere.
Why is the Biosphere important for living organisms?
Answer: Biosphere is the narrow zone of contact between lithosphere, hydrosphere and atmosphere. There is constant interaction among the three domains of earth; in this zone. This interaction makes life possible. Thus, biosphere is important for living organisms.
Which is the smallest continent?
Answer: Australia
Which is the largest ocean?
Answer: Pacific Ocean
What is the significance of indented coastline in the Atlantic Ocean?
Answer: The indented coastline in the Atlantic Ocean means the coastline is ideal for natural harbours and ports. Hence, the Atlantic Ocean is the busiest ocean from commercial point of view.
What happens when the level of carbon dioxide increases in the atmosphere?
Answer: When the level of carbon dioxide increases in the atmosphere, it results in increased temperature throughout the world. This is known as global warming.
What is the importance of carbon dioxide for us?
Answer: Importance of carbon dioxide:
Which major latitudes pass through Africa?
Answer: Following major latitudes pass through Africa:
Which continent is known as the island continent? Why?
Answer: Australia is surrounded by ocean from all sides. Hence, it is known as the island continent.
Write a brief note on the Indian Ocean.
Answer: Indian Ocean is the only ocean to be named after a country. This ocean is almost triangular in shape. Asia is towards north, Africa is towards west and Australia is towards east of this ocean.
Write a brief note on Asia.
Answer: Asia is the largest continent. It covers about one-third of the total land area of the earth. This continent lies in the eastern hemisphere. The Tropic of Cancer passes through Asia. The Ural Mountain separates Asia from Europe in the west. The combined landmass of Europe and Asia is called Eurasia.
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